Home / 205,451,071.20-308,172,289.16-50,005,746.41

Finding the Fourth Proportional to 205,451,071.20, 308,172,289.16 and 50,005,746.41

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Solution

The fourth proportional to 205,451,071.20, 308,172,289.16 and 50,005,746.41 is: 75,007,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,451,071.20 : 308,172,289.16 = 50,005,746.41 : x
  2. Step 2: Convert to fraction form
    205,451,071.20/308,172,289.16 = 50,005,746.41/x
  3. Step 3: Cross multiply
    205,451,071.20x = 308,172,289.16 × 50,005,746.41
  4. Step 4: Simplify right side
    205,451,071.20x = 15,410,385,342,324,152
  5. Step 5: Solve for x
    x = 15,410,385,342,324,152/205,451,071.20
  6. Step 6: Final answer
    x = 75,007,568.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.